{"product_id":"bender-ir420-d6w-1-dc-9-6-94v-ac-16-72v-100k-10mohm-insulation-monitor-for-offline-loads-1","title":"Bender IR420-D6-1 DC 9.6-94V AC 16-72V 100k-10MOhm Insulation Monitor for Offline Loads","description":"\u003cdiv\u003e\u003cspan\u003eThe IR420-D6-1 is an offline insulation monitoring device designed for monitoring temporarily disconnected or permanently de‑energised loads. It is used for critical equipment such as fire pumps, elevator motors, and emergency generators, continuously monitoring insulation resistance during shutdown periods to prevent insulation faults caused by moisture from tripping protective devices or damaging equipment upon restart.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThe device is suitable for TN, TT and IT systems (earthed and unearthed systems) and can monitor AC, 3(N)AC and DC systems. In combination with coupling devices, the nominal voltage can be extended to higher levels. The device complies with IEC 61557‑8.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Suitable systems: TN, TT and IT systems (earthed and unearthed systems)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Monitored objects: Offline (de‑energised) AC, 3(N)AC and DC loads\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Supply voltage (Uₛ): DC 9.6…94 V \/ AC 16…72 V, 42…460 Hz\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Response value range (Rₐₙ₁ \/ Rₐₙ₂): 100 kΩ…10 MΩ (two independently adjustable thresholds)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Response time (tₐₙ): ≤ 4 s (at R_F = 0.5 × Rₐₙ, Cₑ = 1 μF)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Max. permissible system leakage capacitance (Cₑ): ≤ 10 μF\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Measuring principle: Superimposed DC voltage method\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Alarm output: Two independent alarm relays, each with one changeover contact\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Display: Multi‑function LCD display\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· LED indicators: Power On, Alarm 1, Alarm 2\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Protection class: Internal components IP30, terminals IP20\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Mounting: 35 mm DIN rail\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Operating temperature: –25 °C … +55 °C\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Standards compliance: IEC 61557‑8, DIN EN 61557‑8\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Order numbers: B71016415 (push‑wire terminals); B91016415 (screw‑type terminals)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Offline insulation monitoring: Continuously monitors insulation resistance of de‑energised loads, detecting insulation degradation in advance\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Two independently adjustable alarm thresholds: Pre‑warning (Alarm 1) and main alarm (Alarm 2), range 100 kΩ…10 MΩ\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Superimposed DC measurement: Applies a DC measuring voltage to the monitored system to detect ohmic insulation faults\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Multi‑function LCD display: Shows real‑time insulation resistance values and device status\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· LED status indication: Power On, Alarm 1, Alarm 2 clearly indicate operating and alarm status\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Fault memory: Selectable fault storage; alarm status remains until manually reset\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Self‑test and reset: Built‑in TEST\/RESET button on the front panel\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Push‑wire terminals: Two terminals per connection point\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Voltage extension: In combination with coupling devices, the nominal voltage can be extended to higher levels\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eTypical Applications\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Fire protection systems: fire pumps, automatic extinguishing system pumps\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Emergency equipment: emergency generators, emergency drives\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Industrial equipment: slide‑valve drives, hoist motors\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Marine applications: ship cranes, anchor chain drives\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Building facilities: elevator motors, smoke damper drives\u003c\/span\u003e\u003c\/div\u003e","brand":"Bender","offers":[{"title":"Default Title","offer_id":44255197298776,"sku":null,"price":515.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0580\/2799\/9320\/files\/IR420-d6w-1.....jpg?v=1781718320","url":"https:\/\/gexufein.com\/products\/bender-ir420-d6w-1-dc-9-6-94v-ac-16-72v-100k-10mohm-insulation-monitor-for-offline-loads-1","provider":"Gexufein Automation","version":"1.0","type":"link"}